#include<iostream>
#include<stdio.h>
using namespace std;
#include <iomanip>
#include  <cmath>
#include <stdlib.h>
#include <string.h>

int main()
{
    double i, b, c, m;
    
    cin >> i >> b >> c;
    m = b * b - 4 * i * c;
  
   float x1, x2;
    if (i == 0)
    {
        cout << "Not quadratic equation";
    }
    if (m > 0)
    {
        x1 = (-b + sqrt(m)) / (2 * i);
        x2 = (-b - sqrt(m)) / (2 * i);
        cout << " ";
    }
    if (m == 0)
    {
        x1 = x2 = (-b) / (2 * i);
        cout << "x1" << "x2" << x1;


    }
    





}



